| Castle Rock to Chivasso | 5,260.95 mi (8,466.69 km) |
| Castle Rock to Ciampino | 5,593.54 mi (9,001.93 km) |
| Castle Rock to Cicciano | 5,704.22 mi (9,180.06 km) |
| Castle Rock to Cingoli | 5,537.30 mi (8,911.42 km) |
| Castle Rock to Cinisello Balsamo | 5,291.11 mi (8,515.21 km) |
| Castle Rock to Cinisi | 5,793.39 mi (9,323.56 km) |
| Castle Rock to Cirie | 5,248.61 mi (8,446.82 km) |
| Castle Rock to Ciro Marina | 5,877.87 mi (9,459.51 km) |
| Castle Rock to Cislago | 5,277.58 mi (8,493.44 km) |
| Castle Rock to Cisterna di Latina | 5,612.12 mi (9,031.83 km) |
| Castle Rock to Cisternino | 5,817.48 mi (9,362.34 km) |
| Castle Rock to Citta di Castello | 5,498.65 mi (8,849.22 km) |
| Castle Rock to Citta Sant'Angelo | 5,608.91 mi (9,026.66 km) |
| Castle Rock to Cittadella | 5,375.17 mi (8,650.49 km) |
| Castle Rock to Cittanova | 5,893.49 mi (9,484.66 km) |
